Home / 18,157.49-25,057.28-10,091.10

Finding the Fourth Proportional to 18,157.49, 25,057.28 and 10,091.10

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Solution

The fourth proportional to 18,157.49, 25,057.28 and 10,091.10 is: 13,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.49 : 25,057.28 = 10,091.10 : x
  2. Step 2: Convert to fraction form
    18,157.49/25,057.28 = 10,091.10/x
  3. Step 3: Cross multiply
    18,157.49x = 25,057.28 × 10,091.10
  4. Step 4: Simplify right side
    18,157.49x = 252,855,467.75
  5. Step 5: Solve for x
    x = 252,855,467.75/18,157.49
  6. Step 6: Final answer
    x = 13,925.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.